OpenTechnical

OT-2026-000046417

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000046417) never changes.

Identity and time

Publication numberOT-2026-000046417 · never reused
Internal UUID01a0ae7e-57dc-77bb-9098-dd16b499a939 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046417
StatusPUBLIC

Content hashes

Canonical texte2e105b2cfbba8c91d37cdf0054b86ace3b69896a85a835b6b206442eab0bd98
Markdownbc94aea74c0e12ddb59464710a5e0cfb1f2da6a59111b9dc843ba963e4031965
PDF
Publication page4094e0475ff5147578511d28ec2505be0e7c71b1b84c99a73160d05ff045b4cf
Manifest5fac00574ad6349e72b4b2cd02150b6e1ab16d7697788192c65435ca9dd3899e

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureiGwz9oFFZKNEntObITNsDBybBO1ecbLczEOdfXA7jlNilGmv8ImQquehYNWGK0i1iZLaKsXjDfiMe67fqnmqBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:08:25.733180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046417
observed 4094e0475ff5147578511d28ec2505be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:25.714677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046417/manifest.json
observed 5fac00574ad6349e72b4b2cd02150b6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:25.696188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046417/publication.md
observed bc94aea74c0e12ddb59464710a5e0cfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:25.677769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046417/publication.txt
observed e2e105b2cfbba8c91d37cdf0054b86ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.